Process and apparatus for granulating powdery materials

Details Process and apparatus for granulating powdery materials Process and apparatus for granulating powdery materials

1987-09-22

1989-02-28

Eley, Timothy V.

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

241228, B02C 430

Patent

active

048078190

ABSTRACT:
Finely divided powdery materials such as, e.g., precipitated silica are granulated by means of two rolls, one of which has a filter surface and the other has a profiled covering, in which the shafts of these rolls are arranged vertically one above the other and the finely divided powdery material is introduced into the gap between the rolls by means of at least one feed screw.

REFERENCES:
patent: 3738785 (1973-06-01), Reinhardt et al.
patent: 4017241 (1977-04-01), Papinchak et al.
patent: 4256448 (1981-03-01), Carle
patent: 4304539 (1981-12-01), Hagiwara et al.
patent: 4467969 (1984-08-01), Godfrey et al.

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